ACK/APPLIED[Bionic]/Cmnt: [SRU][Bionic]Pull Request: Fixes for lp:1775786

[Stefan Bader]

On 22.06.2018 19:14, Joseph Salisbury wrote:
> == SRU Justification ==
> IBM is requesting these patches in Bionic.  ocxl (opencapi) is a relatively 
> new driver which was added to Ubuntu 18.04; It's specific to POWER9 systems.
> 
> == Regression Potential ==
> Medium.  There are 10 patches, but all are limited to powerpc and the ocxl driver.
> 
> == Test Case ==
> A test kernel was built with these patches and tested by IBM.
> 
> 
> The following changes since commit b7be50f6450d62d2a2e3ad7599b63c6ca5c0006f:
> 
>   UBUNTU: Ubuntu-4.15.0-23.25 (2018-05-23 18:56:27 +0200)
> 
> are available in the Git repository at:
> 
>   kernel.ubuntu.com:/srv/kernel.ubuntu.com/git/jsalisbury/bugs/lp1775786/ubuntu-bionic.git 
> 
> for you to fetch changes up to e843ecf0c02ea04477fdf046f962df43b3497385:
> 
>   ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait() (2018-06-22 13:06:59 -0400)
> 
> ----------------------------------------------------------------
> Alastair D'Silva (8):
>       ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
        ^ This seems to be a different bug!
        Critical upstream bugfix missing in Ubuntu 18.04 - frequent Xorg
        crash after suspend (LP: #1776887)

I am only pulling this into the 2018.07.02-5 re-spin because it also is for the
same specific driver.

-Stefan
>       powerpc: Add TIDR CPU feature for POWER9
>       powerpc: Use TIDR CPU feature to control TIDR allocation
>       powerpc: use task_pid_nr() for TID allocation
>       ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action
>       ocxl: Expose the thread_id needed for wait on POWER9
>       ocxl: Add an IOCTL so userspace knows what OCXL features are available
>       ocxl: Document new OCXL IOCTLs
> 
> Arvind Yadav (1):
>       misc: ocxl: use put_device() instead of device_unregister()
> 
> Wei Yongjun (1):
>       ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()
> 
>  Documentation/accelerators/ocxl.rst   |  16 +++++
>  arch/powerpc/include/asm/cputable.h   |   3 +-
>  arch/powerpc/include/asm/pnv-ocxl.h   |   2 +-
>  arch/powerpc/include/asm/switch_to.h  |   1 -
>  arch/powerpc/kernel/dt_cpu_ftrs.c     |   4 +-
>  arch/powerpc/kernel/process.c         | 126 ++++++++--------------------------
>  arch/powerpc/platforms/powernv/ocxl.c |   4 +-
>  drivers/misc/ocxl/context.c           |   5 +-
>  drivers/misc/ocxl/file.c              |  80 +++++++++++++++++++++
>  drivers/misc/ocxl/link.c              |  38 +++++++++-
>  drivers/misc/ocxl/ocxl_internal.h     |   1 +
>  drivers/misc/ocxl/pci.c               |   2 +-
>  include/misc/ocxl.h                   |   9 +++
>  include/uapi/misc/ocxl.h              |  14 ++++
>  14 files changed, 200 insertions(+), 105 deletions(-)
> 


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